/**
 * COOKIE存储
 * @param {string} key 
 * @param {object} val 
 * @param {number} time 
 */

function setcookie(key,val,time=10)
{
    if(typeof val =='object') val = JSON.stringify(val)

    const d = new Date
    d.setTime(d.getTime()-1000*60*60*8+1000*time)
    document.cookie=`${key}=${val};expires=${d}`
}

/**
 * COOKIE获取
 * @param {string} key 
 * @returns string
 */
function getcookie(key)
{
    let arr=document.cookie.split('; ')

    for(let i=0;i<arr.length;i++)
    {
        let item = arr[i]
        let tempArr=item.split('=')
    
        if(tempArr[0]=key) return tempArr[1]
    }
}

/**
 * COOKIE删除
 * @param {string} key 
 * @returns underfined
 */
function removecookie(key)
{
    setcookie(key,null,-1)
}

































